<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="../react18/react.development.js"></script>
  <script src="../react18/react-dom.development.js"></script>
  <script src="../react18/babel.min.js"></script>
</head>

<body>
  <div id="app"></div>
  <script type="text/babel">
    class App extends React.Component{
      state = {
        name:"老王",
        hobby:"抽烟",
        age:12
      }
      render(){
        const {name,hobby,age} = this.state
        return (
          <div>
            姓名:<input type="text" defaultValue={name}/>
            <br/>
            爱好:<input type="text" value={hobby}/>
            <br/>
            年龄:<input type="text" value={age}/>
            <br/>
            <button onClick={this.handle}>点击获取数据</button>
          </div>
        )
      }
      handle=()=>{

      }
    }
    const root = ReactDOM.createRoot(document.getElementById("app"))
    root.render(<App/>)
  </script>
</body>

</html>